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Photo Courtesy of Ball Horticultural Company

Penstemon barbatus Rock Candy® Blue (Beard Tongue)

This herbaceous perennial features racemes of indigo bell-shaped flowers on tall stems bearing long green basal and stem leaves. Moderate growth rate.

Blooms early summer
1 ft tall x 1 ft spread
HARDY to -20°F (-28.9°C)
Humidity tolerant
Drought tolerant
Salt tolerant

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Zone Zone 5
Exposure Full Sun
Moisture Moderate Moisture
Patent Info PP27786